Home / 77,574.40-116,422.08-40,197.76

Finding the Fourth Proportional to 77,574.40, 116,422.08 and 40,197.76

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Solution

The fourth proportional to 77,574.40, 116,422.08 and 40,197.76 is: 60,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574.40 : 116,422.08 = 40,197.76 : x
  2. Step 2: Convert to fraction form
    77,574.40/116,422.08 = 40,197.76/x
  3. Step 3: Cross multiply
    77,574.40x = 116,422.08 × 40,197.76
  4. Step 4: Simplify right side
    77,574.40x = 4,679,906,830.54
  5. Step 5: Solve for x
    x = 4,679,906,830.54/77,574.40
  6. Step 6: Final answer
    x = 60,327.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.